158434556612 has 24 divisors (see below), whose sum is σ = 281995264320. Its totient is φ = 77864819040.

The previous prime is 158434556603. The next prime is 158434556629. The reversal of 158434556612 is 216655434851.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2059562 + ... + 2135102.

It is an arithmetic number, because the mean of its divisors is an integer number (11749802680).

Almost surely, 2^158434556612 is an apocalyptic number.

It is an amenable number.

158434556612 is a deficient number, since it is larger than the sum of its proper divisors (123560707708).

158434556612 is a wasteful number, since it uses less digits than its factorization.

158434556612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84491 (or 84489 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 50.

The spelling of 158434556612 in words is "one hundred fifty-eight billion, four hundred thirty-four million, five hundred fifty-six thousand, six hundred twelve".